869903001 has 48 divisors (see below), whose sum is σ = 1397710080. Its totient is φ = 521268000.

The previous prime is 869902963. The next prime is 869903003. The reversal of 869903001 is 100309968.

It is not a de Polignac number, because 869903001 - 2¹¹ = 869900953 is a prime.

It is a super-2 number, since 2×869903001² = 1513462462297612002, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (869903003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1209520 + ... + 1210238.

It is an arithmetic number, because the mean of its divisors is an integer number (29118960).

Almost surely, 2^869903001 is an apocalyptic number.

It is an amenable number.

869903001 is a deficient number, since it is larger than the sum of its proper divisors (527807079).

869903001 is a wasteful number, since it uses less digits than its factorization.

869903001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 859 (or 834 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 36.

The square root of 869903001 is about 29494.1180746263. The cubic root of 869903001 is about 954.6047910152.

The spelling of 869903001 in words is "eight hundred sixty-nine million, nine hundred three thousand, one".